<dl itemscope=""
    itemtype="http://purl.org/vocab/frbr/core#Work"
    itemid="http://books.example.com/works/45U8QJGZSQKDH8N"
    lang="en">
 <dt>Title</dt>
 <dd><cite itemprop="http://purl.org/dc/terms/title">Just a Geek</cite></dd>
 <dt>By</dt>
 <dd><span itemprop="http://purl.org/dc/terms/creator">Wil Wheaton</span></dd>
 <dt>Format</dt>
 <dd itemprop="http://purl.org/vocab/frbr/core#realization"
     itemscope=""
     itemtype="http://purl.org/vocab/frbr/core#Expression"
     itemid="http://books.example.com/products/9780596007683.BOOK">
  <link itemprop="http://purl.org/dc/terms/type" href="http://books.example.com/product-types/BOOK"/>
  Print
 </dd>
 <dd itemprop="http://purl.org/vocab/frbr/core#realization"
     itemscope=""
     itemtype="http://purl.org/vocab/frbr/core#Expression"
     itemid="http://books.example.com/products/9780596802189.EBOOK">
  <link itemprop="http://purl.org/dc/terms/type" href="http://books.example.com/product-types/EBOOK"/>
  Ebook
 </dd>
</dl>
